From: Per Bothner <per@bothner.com>
To: phiroc@free.fr
Cc: kawa@sourceware.org
Subject: Re: define-syntax can only be used with local variables
Date: Thu, 16 Sep 2021 14:11:13 -0700 [thread overview]
Message-ID: <ff1b945a-a420-6fe9-1c72-0885c2edc5e4@bothner.com> (raw)
In-Reply-To: <2141982858.217799834.1631786557791.JavaMail.root@zimbra65-e11.priv.proxad.net>
On 9/16/21 3:02 AM, phiroc--- via Kawa wrote:
> here's an explanation :
>
> "The statement (set! *myglobal* "This does not") is executed in the transformer environment, not the normal environment. So it's not able to find *myglobal. We need to get both the expressions executed in the environment where *myglobal* is defined."
>
> cf. https://stackoverflow.com/questions/5509837/set-global-from-scheme-macro
This quote isn't relevant, as far as I can tell. First, it is Racket, which is
not-quite-Scheme. For one thing, Kawa doesn't have as strict as phase separation
as Racket - or some other Schemes. Furthermore, the example uses define-macro,
which is for legacy (non-hygienic) macros. Finally, in your original question
the assigned variable is a macro parameter, which is very different from
being in the scope of the macro definition.
--
--Per Bothner
per@bothner.com http://per.bothner.com/
prev parent reply other threads:[~2021-09-16 21:11 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <971550055.197381511.1631259004148.JavaMail.root@zimbra65-e11.priv.proxad.net>
2021-09-10 7:33 ` phiroc
2021-09-14 12:42 ` Damien Mattei
2021-09-14 16:14 ` Philippe de Rochambeau
2021-09-14 16:34 ` Damien Mattei
2021-09-14 16:58 ` Philippe de Rochambeau
2021-09-14 17:26 ` Per Bothner
2021-09-14 17:38 ` Damien Mattei
2021-09-14 17:58 ` Damien Mattei
2021-09-14 18:00 ` Damien Mattei
2021-09-14 18:07 ` Per Bothner
2021-09-14 18:38 ` Damien Mattei
2021-09-14 19:30 ` Per Bothner
2021-09-15 7:10 ` phiroc
2021-09-16 10:02 ` phiroc
2021-09-16 10:41 ` Damien MATTEI
2021-09-16 11:05 ` phiroc
2021-09-16 13:44 ` Damien MATTEI
2021-09-17 5:29 ` Per Bothner
2021-09-17 7:00 ` phiroc
2021-09-17 10:48 ` Per Bothner
2021-09-16 21:11 ` Per Bothner [this message]
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